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5. PROPERTY, PLANT AND EQUIPMENT, NET (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Property, plant and equipment

		As of December 31,
		2017				2016
At cost:
Mineral rights		$	4,711,822			$	4,438,115
Buildings			67,748,512				61,656,398
Plant and machinery			200,742,652				186,228,562
Motor vehicles			8,792				8,282
Furniture, fixtures and office equipment			4,150,588				4,553,473
Construction in progress			183,036				374,790
Total			277,545,402				257,259,620
Less: accumulated depreciation and amortization			(163,597,407	)			(146,844,072	)
Impairment			(18,833,491	)			(1,684,422	)
Net book value		$	95,114,504			$	108,731,126

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- References

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- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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